Association between novel indices of malnutrition-inflammation complex syndrome and cardiovascular disease in hemodialysis patients |
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Authors: | Terrier Nathalie Senécal Lynne Dupuy Anne-Marie Jaussent Isabelle Delcourt Cécile Leray Hélène Rafaelsen Silje Bosc Jean-Yves Maurice François Canaud Bernard Cristol Jean-Paul |
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Affiliation: | ;Biochemistry Laboratory and ;Nephrology Department, Centre Hospitalier Universitaire de Montpellier, Montpellier; ;INSERM Unité500 "Epidemiology of Chronic Diseases and Ageing," Montpellier; ;AIDER, Montpellier; ;Centre d'Hémodialyse Languedoc Méditerranée, Montpellier, France |
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Abstract: | Background: Inflammation and malnutrition are recognized as important risk factors for cardiovascular disease (CVD) in hemodialysis (HD) patients. Owing to substantial short‐term variability of serum C‐reactive protein (CRP), more reliable markers of malnutrition–inflammation complex syndrome should be sought with stronger associations with the risk of CVD in HD patients. We therefore explored the clinical relevance of a composite inflammatory index (prognostic inflammatory and nutritional index [PINI]) and of muscle protein mass indicators, derived from creatinine kinetics. Methods: This cross‐sectional study included 177 HD patients (89 women and 88 men; median age, 67.73 years). CVD and risk factors were assessed using medical charts, clinical examination, and biochemical measurements performed at inclusion. Lean body mass (LBM) was derived from creatinine kinetic modeling, whereas PINI was calculated as the ratio (CRP ×α1‐acid‐glycoprotein)/(albumin × transthyretin). Patients were divided according to the presence or absence of established CVD. Results: The traditional risk factors diabetes (odds ratio [OR], 5.83; p = 0.0045) and smoking (OR, 3.50; p < 0.02) were associated with an increase in prevalent CVD. Low transthyretin (OR, 3.79; p < 0.02) and high levels of CRP (OR, 2.70; p < 0.05), PINI (OR, 3.44; p < 0.02), observed LBM (OR, 3.01; p < 0.05), and the ratio of observed/expected LBM (OR, 4.24; p < 0.01) were associated with CVD after adjustment for age, sex, dialysis center, and dialysis vintage. After additional adjustment for diabetes and smoking, only PINI (OR, 2.85; p = 0.0446) and observed/expected LBM (OR, 2.96; p = 0.0361) were still significant. Conclusion: PINI and LBM are associated with increased relative risk for having CVD and could be used routinely to examine the degree of severity of malnutrition inflammation complex syndrome. |
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Keywords: | Nutrition prognostic inflammatory index (PINI) lean body mass (LBM) |
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